Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.064673E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T13:36:42+0800
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    1 Object 1

    AOE ID 30106
    NORAD ID 30106
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 53209
    NORAD ID 53209
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-4423
    Time of Closest Approach 2026-09-06T07:51:19+0000
    Collision Probability (Pc) 3.064673E-6
    Conjunction Distance (km) 1.848 km
    Relative Speed (km/s) 11.844 km/s
    Conjunction Risk Parameters R (Radial): -1.839 | I (In-track): 0.104 | C (Cross-track): 0.134
    Collision Risk Index (CRI) 0.45
    X Position (km) -1428.03 -1427.6
    Position Y (km) 575.448 575.456
    Position Z (km) 6684.674 6682.878
    Velocity X (km/s) 6.956 -4.072
    Velocity Y (km/s) 2.878 6.287
    Velocity Z (km/s) 1.247 -1.407

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-4423
    Semimajor Axis (a) 6886.424 km 6865.368 km
    Eccentricity (e) 0.003036 0.000163
    Inclination (i) 98.9112° 97.2858°
    RAAN 197.5170° 301.8706°
    Perigee Argument 60.3268° 55.5908°
    Mean Anomaly (M) 95.7645° 32.0435°
    Apogee 529.195 km 488.354 km
    Perigee 487.379 km 486.108 km
    Orbit Epoch 2026-09-03T09:03:54+0000 2026-09-03T20:00:02+0000

    FENGYUN 1C DEB & STARLINK-4423 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-4423 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-4423 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-4423 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4423Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4423Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data